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rdf-ex/CHANGELOG.md

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# Change Log
All notable changes to this project will be documented in this file.
This project adheres to [Semantic Versioning](http://semver.org/) and
[Keep a CHANGELOG](http://keepachangelog.com).
## Unreleased
### Added
- `RDF.Term.value/1` returning the native Elixir value of a RDF term
- `RDF.Statement.values/1`, `RDF.Triple.values/1` and `RDF.Quad.values/1`
returning a tuple of `RDF.Term.value/1` converted native Elixir values from a
tuple of RDF terms
- `RDF.Description.values/1`, `RDF.Graph.values/1`, `RDF.Dataset.values/1` and
`RDF.Data.values/1` returning a map of `RDF.Term.value/1` converted native
Elixir values from the respective structure of RDF terms
- for all of aforementioned `values/1` functions a variant `values/2` which
allows to specify custom mapping function to be applied when creating the resp.
structure
- `RDF.Literal.compare/2`, `RDF.Literal.less_than?/2` and `RDF.Literal.greater_than?/2`
for `RDF.Datatype` aware comparisons of `RDF.Literal`s
### Fixed
- `RDF.DateTime.equal_value?/2` and `RDF.Date.equal_value?/2` did not handle
timezones correctly
- `-00:00` is a valid timezone offset on `RDF.DateTime`
[Compare v0.5.1...HEAD](https://github.com/marcelotto/rdf-ex/compare/v0.5.1...HEAD)
## 0.5.1 - 2018-09-17
### Fixed
- generated Erlang output files of Leex and Yecc are excluded from Hex package
[Compare v0.5.0...v0.5.1](https://github.com/marcelotto/rdf-ex/compare/v0.5.0...v0.5.1)
## 0.5.0 - 2018-09-17
### Added
- Possibility to execute simple SPARQL queries against `RDF.Graph`s with
[SPARQL 0.2](https://github.com/marcelotto/sparql-ex/blob/master/CHANGELOG.md)
- New `RDF.Term` protocol implemented for all structs representing RDF nodes and
all native Elixir datatypes which are coercible to those modules. For now, it
mainly offers, besides the coercion, just the function `RDF.Term.equal?/2` and
`RDF.Term.equal_value?/2` for term- and value comparisons.
- New `RDF.Decimal` datatype for `xsd:decimal` literals and support for decimal
literals in Turtle encoder
- `RDF.Numeric` module with a list of all numeric datatypes and shared functions
for all numeric literals, eg. arithmetic functions
- Various new `RDF.Datatype` function
- `RDF.Datatype.cast/1` for casting between `RDF.Literal`s as specified in the
XSD spec on all `RDF.Datatype`s
- logical operators and the Effective Boolean Value (EBV) coercion algorithm
from the XPath and SPARQL specs on `RDF.Boolean`
- various functions on the `RDF.DateTime` and `RDF.Time` datatypes
- `RDF.LangString.match_language?/2`
- Many new convenience functions on the top-level `RDF` module
- constructors for all of the supported `RDF.Datatype`s
- constant functions `RDF.true` and `RDF.false` for the two boolean `RDF.Literal` values
- `RDF.Literal.Guards` which allow pattern matching of common literal datatypes
- `RDF.BlankNode.Generator`
- Possibility to configure an application-specific default base IRI; for now it
is used only on reading of RDF serializations (when no `base` specified)
### Changed
- Elixir versions < 1.6 are no longer supported
- `RDF.String.new/2` and `RDF.String.new!/2` produce a `rdf:langString` when
given a language tag
- Some of the defined structs now enforce keys on compile-time (via Elixirs
`@enforce_keys` feature) when not setting the corresponding fields would lead
to invalid structs, namely the following fields:
- `RDF.IRI.value`
- `RDF.BlankNode.id`
- `RDF.Description.subject`
- `RDF.List.head`
### Fixed
- `RDF.resource?/1` does not fail anymore when called with unresolvable atoms
but returns `false` instead
- `RDF.IRI.absolute/2` does not fail with a `FunctionClauseError` when the given
base is not absolute, but returns `nil` instead
- `RDF.DateTime` and `RDF.Time` store microseconds
- `RDF.DateTime`: '24:00:00' is a valid time in a xsd:dateTime; the dateTime
value so represented is the first instant of the following day
- `RDF.LangString`: non-strings or the empty string as language produce invalid
literals
[Compare v0.4.1...v0.5.0](https://github.com/marcelotto/rdf-ex/compare/v0.4.1...v0.5.0)
## 0.4.1 - 2018-03-19
### Added
- `RDF.Literal.new!/2` which fails when creating an invalid literal
### Changed
- `RDF.Literal.new/2` can create `rdf:langString` literals without failing, they
are simply invalid; if you want to fail without a language tag use the new
`RDF.Literal.new!/2` function
[Compare v0.4.0...v0.4.1](https://github.com/marcelotto/rdf-ex/compare/v0.4.0...v0.4.1)
## 0.4.0 - 2018-03-10
### Changed
- renamed `RDF.Serialization` behaviour to `RDF.Serialization.Format`; the new
`RDF.Serialization` module contains just simple RDF serialization related functions
- renamed `RDF.Serialization.Format.content_type/0` to `RDF.Serialization.Format.media_type/0`
- moved `RDF.Reader` and `RDF.Writer` into `RDF.Serialization` module
- removed the limitation to serialization formats defined in the core RDF.ex package
for use as a source of `RDF.Vocabulary.Namespace`s; so you can now also define
vocabulary namespaces from JSON-LD files for example, provided that the corresponding
Hex package is defined as a dependency
### Added
- `RDF.Serialization.Format`s define a `name` atom
- all `RDF.Serialization.Reader` and `RDF.Serialization.Writer` functions are now
available on the `RDF.Serialization` module (or aliased on the top-level `RDF`
module) and the format can be specified instead of a `RDF.Serialization.Format`
argument, via the `format` or `media_type` option or in case of `*_file`
functions, without explicit specification of the format, but inferred from file
name extension instead; see the updated README section about RDF serializations
- the following functions to access available `RDF.Serialization.Format`s:
- `RDF.Serialization.formats/0`
- `RDF.Serialization.available_formats/0`
- `RDF.Serialization.format/1`
- `RDF.Serialization.format_by_media_type/1`
- `RDF.Serialization.format_by_extension/1`
[Compare v0.3.1...v0.4.0](https://github.com/marcelotto/rdf-ex/compare/v0.3.1...v0.4.0)
## 0.3.1 - 2018-01-19
### Added
- `Collectable` implementations for all `RDF.Data` structures so they can be
used as destinations of `Enum.into` and `for` comprehensions
### Fixed
- Fix `unescape_map` in `parse_helper` for Elixir 1.6 ([@ajkeys](https://github.com/ajkeys))
[Compare v0.3.0...v0.3.1](https://github.com/marcelotto/rdf-ex/compare/v0.3.0...v0.3.1)
## 0.3.0 - 2017-08-24
### Added
- `RDF.IRI` as a more suitable URI/IRI representation for RDF, bringing enormous
performance and memory consumption benefits (see [here](https://github.com/marcelotto/rdf-ex/issues/1)
for the details about the improvements)
### Changed
- use `RDF.IRI` instead of Elixirs `URI` everywhere
- use the term _iri_ instead of _uri_ consistently, leading to the following
function renamings:
- `base_iri` instead of `base_uri` for the definition of `RDF.Vocabulary.Namespace`s
- `__base_iri__` instead of `__base_uri__` in all `RDF.Vocabulary.Namespace`s
- `__iris__` instead of `__uris__` in all `RDF.Vocabulary.Namespace`s
- `RDF.IRI.InvalidError` instead of `RDF.InvalidURIError`
- `RDF.Literal.InvalidError` instead of `RDF.InvalidLiteralError`
- `RDF.Namespace.InvalidVocabBaseIRIError` instead of `RDF.Namespace.InvalidVocabBaseURIError`
- show compilation message of vocabulary namespaces always to be able to relate
resp. errors and warnings
### Fixed
- when trying to resolve a term from an undefined module a `RDF.Namespace.UndefinedTermError`
exception
[Compare v0.2.0...v0.3.0](https://github.com/marcelotto/rdf-ex/compare/v0.2.0...v0.3.0)
## 0.2.0 - 2017-08-12
### Added
- full Turtle support
- `RDF.List` structure for the representation of RDF lists
- `describes?/1` on `RDF.Data` protocol and all RDF data structures which checks
if statements about a given resource exist
- `RDF.Data.descriptions/1` which returns all descriptions within a RDF data structure
- `RDF.Description.first/2` which returns a single object to a predicate of a `RDF.Description`
- `RDF.Description.objects/2` now supports a custom filter function
- `RDF.bnode?/1` which checks if the given value is a blank node
### Changed
- Rename `RDF.Statement.convert*` functions to `RDF.Statement.coerce*`
- Don't support Elixir versions < 1.4
### Fixed
- `RDF.uri/1` and URI parsing of N-Triples and N-Quads decoders preserve empty fragments
- booleans weren't recognized as coercible literals on object positions
- N-Triples and N-Quads decoder didn't handle escaping properly
[Compare v0.1.1...v0.2.0](https://github.com/marcelotto/rdf-ex/compare/v0.1.1...v0.2.0)
## 0.1.1 - 2017-06-25
### Fixed
- Add `src` directory to package files.
[Compare v0.1.0...v0.1.1](https://github.com/marcelotto/rdf-ex/compare/v0.1.0...v0.1.1)
## 0.1.0 - 2017-06-25
Initial release
Note: This version is not usable, since the `src` directory is not part of the
package, which has been immediately fixed on version 0.1.1.
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